working capital for symphony

Listed below are year-end account balances ($ in millions) taken from the records of Symphony Stores. Debit Credit Accounts receivable-trade 730 Building and equipment 920 Cash-checking 34 Interest receivable 30 Inventory 16 Land 150 Notes receivable (long-term) 450 Petty cash fund 5 Prepaid rent 20 Supplies 8 Trademark 40 Accounts payable-trade 560 Accumulated depreciation 80 Additional paid-in capital 485 Allowance for uncollectible accounts 20 Cash dividends payable 30 Common stock, at par 15 Income tax payable 65 Notes payable (long-term) 800 Retained earnings 308 Deferred revenues 40 TOTALS 2,403 2,403 What is the amount of working capital for Symphony